static void Main(string[] args)
{
DepthFirstAlgorithm b = new DepthFirstAlgorithm();
Employee root = b.BuildEmployeeGraph();
Console.WriteLine("Traverse Graph\n------");
b.TraverseDFS(root);
Console.WriteLine("\nSearch in Graph\n------");
Employee e = b.SearchDFS(root, "Eva");
Console.WriteLine(e == null ? "Employee not found" : e.name);
e = b.SearchDFS(root, "Brian");
Console.WriteLine(e == null ? "Employee not found" : e.name);
e = b.SearchDFS(root, "Soni");
Console.WriteLine(e == null ? "Employee not found" : e.name);
}
